Feed Strategy - January 2018 - 29
FeedStrategy ❙ 29
How detailed NIR data benefits animal feed formulators: www.WATTAgNet.com/articles/28516
■ Increase pellet quality: The combination of heat and
pressure binds ingredients together to produce a stronger pellet with a durability of 89 pdi or higher - depending on the ingredients.
■ Kill pathogens and molds: The average temperature for
processing livestock feed is 154 C to 160 C (310 F to
320 F). Running an extruder at a typical temperature of
100 C kills pathogens like Salmonella and Listeria.
Extruders' place in the livestock feed industry
While the pet food industry relies almost exclusively
on extrusion technology, the livestock feed industry is
still wary of the capital investment. This is in part due to
a lack of awareness among livestock producers and their
willingness to spend more on feed, which accounts for 60
to 70 percent of livestock production costs.
There is also hesitation because of the lower production efficiency. The extrusion process is lower than the
tonnage rates of most pellet mills. Because of this, extrusion could prove to be a valuable practice while producing
starter feeds that would require pellet mills to operate at
a fraction of their intended throughput and consequently
slowing daily output.
Feed mills need to take into account their end goals, understand their client base and know what is driving the feed
industry to fully maximize the extrusion technique. ■
Laura Fernandez is a freelance writer. Email her at email@example.com.
January 2018 ❙ www.WATTAgNet.com